CBSE Class 12 Physics 2020 Outside Delhi Set 3 Paper

© examsiri.com
Question : 3 of 13
 
Marks: +1, -0
A current of 10A is flowing from east to west in a long straight wire kept on a horizontal table. The magnetic field developed at a distance 10cm vertically above the wire is:
Solution:
(b) 2×10−5T, acting towards north
© examsiri.com
Go to Question: